Originally Posted by
Carbon Unit
Really, I have used my Air Chuck maybe 6 times and have never wasted a single cartridge. Maybe it depends on which CO2 inflator you are using. If I had problems with one I would probably feel the same way as you and stick use a pump. Nothing wrong with a pump, it gets the job done.
What I like about that little Air Chuck is that, to activate it, you have to shove it onto the valve, which pretty much guarantees a good seal. Of course, that means that it helps to have the little Presta valve collar treaded snugly against the rim.